Multiple choice technology mainframe

Which of the following is true regarding the CICS Concepts? a. Programs running in one region will interfere with programs running in another region b. Only one CICS system (or region) can run on a single computer at a time. c. CICS runs as a batch job and can handle hundreds of interactive users that are using a variety of applications d. All the Above

  1. A

  2. B

  3. C

  4. D

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

CICS provides region isolation - programs in one region cannot interfere with programs in another. Multiple CICS regions can run concurrently on a single computer. CICS executes as a batch job under the operating system while supporting hundreds of interactive users across various applications. Option A is false (regions are isolated), option B is false (multiple regions are supported).

AI explanation

This is describing classic CICS (Customer Information Control System) fundamentals: CICS itself is started as an ordinary MVS job/region (much like a batch job in how the operating system dispatches it), but once running it acts as an online transaction processor capable of servicing hundreds of concurrent interactive users across many different applications — that's option C. Option A is false because CICS regions are isolated from one another and don't interfere. Option B is false because multiple CICS regions/systems CAN and routinely do run concurrently on a single machine (that's normal in production shops). Since A and B are false, "All the Above" (D) is also wrong, leaving C as correct.